i have to admire hillary clinton. she said about a year ago that she felt it would be possible to get toward a program where there was some enrichment, but it had to be down, at least in that direction, and she was putting it on the table. what you are talking about, but we have not been concrete enough, to some extent, a proposal that was either inherently or explicitly in that direction, and i laid out for you what my end-state goal would be, we would hope we get over that hurdle. because i think it is important, would like to see is in negotiations for two reasons. one, because i want them to succeed, but if there are to fail, i want to know sooner than later. >> can i probe for an amendment on the international dimensions here and as it relates to the question of enrichment and sanctions? you both seem to act and to size the idea that getting the iranians where we would be comfortable with them being on enrichment means putting forward the real prospect of sanctions release and more carrots. these sanctions were s